Use Holo as theme

src/frontends/android/AndroidManifest.xml

@@ -10,7 +10,8 @@
 
     <application
         android:icon="@drawable/ic_launcher"
-        android:label="@string/app_name" >
+        android:label="@string/app_name"
+        android:theme="@style/ApplicationTheme" >
         <activity
             android:name=".ui.MainActivity"
             android:label="@string/app_name"

src/frontends/android/res/values/styles.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2012 Tobias Brunner
+    Hochschule fuer Technik Rapperswil
+
+    This program is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the
+    Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+
+    This program is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+-->
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <style name="ApplicationTheme" parent="@android:style/Theme.Holo">
+    </style>
+
+</resources>